[filmscanners] RE: Fuji Superia in Vuescan

2002-04-14 Thread Alex Zabrovsky

Thanks Tony, I will certainly do that gladly.
What I intended to say that NikonScan copes very good with Superia
delivering more then acceptable results while a short further tweaking makes
final touch to produce very good looking image.


Regards,
Alex Z

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of
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Sent: Sunday, April 14, 2002 8:46 AM
To: [EMAIL PROTECTED]
Subject: [filmscanners] Re: Fuji Superia in Vuescan


On Sat, 13 Apr 2002 17:58:01 +0200  Alex Zabrovsky ([EMAIL PROTECTED])
wrote:

> As I mentioned previously, I tried the Reala settings and regular
> White Balance unsuccessfully. Perhaps this is something to do with the
> issue
> of trial version against full one ?

No, I'm sure it is identical

> Or, the SS4000 support for Superia emulsion is eventually better then
> for IV
> ED in Vuescan for some reason ?

Unlikely. Possibly it is that the IV ED which doesn't cope as well, but I
wouldn't expect that to be a major factor.

The most likely explanation is that you are expecting a well-balanced and
colour-corrected scan to be produced by Vuescan, without further work. This
is a lot to ask of any colour negative + scanner, it just isn't the simple
translation of dye densities ->RGB values that tranny is because the neg is
far more mutable, it's the raw material for an image, and scanning or
printing is interpretive.

To pick just one parameter, density range. Colour neg can record a subject
brightness range well in excess of 10 stops, sometimes 12+ stops. Colour
neg is designed to massively compress those 10+ stops into a low-ODR dye
image as a halfway house to the even more compressed reflectance range of
paper prints.  With a half-decent scanner you can scan this so all of those
10 stops range are present within the scan, but on screen it will look
flat, dull and unsaturated (there will be colour casts as well, most
likely, too).

With tranny, the film itself can cope with usually rather less than 5 stops
range because it's designed to reproduce an ODR which the eye finds
acceptable in a projected image. Scan that and it will look acceptable,
because the brightness range of the tranny is already close to what looks
right on a monitor.

With colour neg you will need to adjust levels to get near to an
acceptable-looking image. If this is done automatically by software, the
software is making decisions about discarding shadow or highlight detail or
both.

Vuescan's best use IME is to get it all so you can make those decisions
manually in PS. This it does very well with Superia 400, especially if you
scan to 16bit/ch. Colour correction is done only to the extent only that
further manual adjustment is easy because the mask and non-linearities of
the scanner/film combination have been adjusted out.

What it doesn't do especially well is produce a fine-looking, tonally
balanced, colour accurate scan from colour neg. which needs no further
work. If it did, I wouldn't use it, 'cos I want to do it to suit the image
and how I want it to look rather than have it fixed up according to some
hardwired algorithm.

If you like, email me one of your unhappy scans (please resample down to
7.5x5"@300ppi and Jpeg quality 6 to keep filesize ~.5-1Mb, 8bit/ch is fine
for this) and I'll have a poke around.


Regards

Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info
& comparisons


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[filmscanners] Re: Fuji Superia in Vuescan

2002-04-13 Thread TonySleep

On Sat, 13 Apr 2002 17:58:01 +0200  Alex Zabrovsky ([EMAIL PROTECTED])
wrote:

> As I mentioned previously, I tried the Reala settings and regular
> White Balance unsuccessfully. Perhaps this is something to do with the
> issue
> of trial version against full one ?

No, I'm sure it is identical

> Or, the SS4000 support for Superia emulsion is eventually better then
> for IV
> ED in Vuescan for some reason ?

Unlikely. Possibly it is that the IV ED which doesn't cope as well, but I
wouldn't expect that to be a major factor.

The most likely explanation is that you are expecting a well-balanced and
colour-corrected scan to be produced by Vuescan, without further work. This
is a lot to ask of any colour negative + scanner, it just isn't the simple
translation of dye densities ->RGB values that tranny is because the neg is
far more mutable, it's the raw material for an image, and scanning or
printing is interpretive.

To pick just one parameter, density range. Colour neg can record a subject
brightness range well in excess of 10 stops, sometimes 12+ stops. Colour
neg is designed to massively compress those 10+ stops into a low-ODR dye
image as a halfway house to the even more compressed reflectance range of
paper prints.  With a half-decent scanner you can scan this so all of those
10 stops range are present within the scan, but on screen it will look
flat, dull and unsaturated (there will be colour casts as well, most
likely, too).

With tranny, the film itself can cope with usually rather less than 5 stops
range because it's designed to reproduce an ODR which the eye finds
acceptable in a projected image. Scan that and it will look acceptable,
because the brightness range of the tranny is already close to what looks
right on a monitor.

With colour neg you will need to adjust levels to get near to an
acceptable-looking image. If this is done automatically by software, the
software is making decisions about discarding shadow or highlight detail or
both.

Vuescan's best use IME is to get it all so you can make those decisions
manually in PS. This it does very well with Superia 400, especially if you
scan to 16bit/ch. Colour correction is done only to the extent only that
further manual adjustment is easy because the mask and non-linearities of
the scanner/film combination have been adjusted out.

What it doesn't do especially well is produce a fine-looking, tonally
balanced, colour accurate scan from colour neg. which needs no further
work. If it did, I wouldn't use it, 'cos I want to do it to suit the image
and how I want it to look rather than have it fixed up according to some
hardwired algorithm.

If you like, email me one of your unhappy scans (please resample down to
7.5x5"@300ppi and Jpeg quality 6 to keep filesize ~.5-1Mb, 8bit/ch is fine
for this) and I'll have a poke around.


Regards

Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info
& comparisons

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[filmscanners] RE: Fuji Superia in Vuescan

2002-04-13 Thread Alex Zabrovsky

Thanks Tony.
As I mentioned previously, I tried the Reala settings and regular
White Balance unsuccessfully. Perhaps this is something to do with the issue
of trial version against full one ?
Or, the SS4000 support for Superia emulsion is eventually better then for IV
ED in Vuescan for some reason ?

Regards,
Alex Z

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of
[EMAIL PROTECTED]
Sent: Saturday, April 13, 2002 2:25 AM
To: [EMAIL PROTECTED]
Subject: [filmscanners] Re: Fuji Superia in Vuescan


On Thu, 11 Apr 2002 14:39:25 +0200  Alex Zabrovsky ([EMAIL PROTECTED])
wrote:

>
> I downloaded the trial version of Vuescan to give it a try and was
> disappointed by the terrible results scanning negatives (Fuji Superia
> 400).
> I know the Vuescan is distinguished by negative film profiles for many
> common emulsion existing on the market, but unfortunately
> no Superia's 400 profile is available.

I use 'Reala 100(Japan)' and get excellent results from VS+Superia400,
with Polaroid SS4000. 'White balance' generally works best.

Expect to do some work on levels and colour balance. Hue and saturation
also need minor tweaking sometimes.

Regards

Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info
& comparisons


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[filmscanners] RE: Fuji Superia in Vuescan

2002-04-13 Thread Alex Zabrovsky

Thanks Colin.
In fact, I gave a try to Reala profile as well many others and nothing
helped.

Regards,
Alex Z

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Colin Maddock
Sent: Thursday, April 11, 2002 11:41 PM
To: [EMAIL PROTECTED]
Subject: [filmscanners] Re: Fuji Superia in Vuescan


>Alex asked:  Is something wrong in my Vuescan processing of Superia or this
is
>unfortunately the reality of Vuescan not being able to handle Sueria
>emulsion ?

This has come up from time to time before. The general conclusion was to use
the Fuji Reala 100 (Japan) setting with Superia. That's what I do with my
Canon FS2710, and the results are fine, in my opinion. Usually use Superia
200 here, but I suppose the 400 emulsion has the same characteristics?

Colin Maddock





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